Supplemental Financial Information (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2013

Dec. 31, 2012

Supplemental Financial Information

Schedule of the components of other income (expense)

	Three months ended September 30,						Nine months ended September 30,
(in millions)	2013			2012			2013			2012
Investment (losses) and gains	$	—		$	(8.1	)	$	2.3		$	(7.8	)
Derivative financial instruments losses	(25.5		)	(43.0		)	(11.3		)	(86.8		)
Divestitures, net	2.3			—			2.3			—
Non-operating foreign currency (losses) and gains	(13.0		)	(0.9		)	(14.2		)	11.8
Other income (expense)	$	(36.2	)	$	(52.0	)	$	(20.9	)	$	(82.8	)

	Year ended December 31,
(in millions)	2012			2011		2010
Investment (losses) and gains	$	(7.7	)	$	—	$	2.5
Derivative financial instruments (losses) and gains	(91.4		)	58.2		(58.3		)
Divestitures, net	—			57.4		18.7
Non-operating foreign currency gains	4.8			5.3		21.2
Other	—			3.2		—
Other income (expense)	$	(94.3	)	$	124.1	$	(15.9	)